Definitions
Definitions
Vocabulary 50/50
Astronomy
Astronomy 2-33
100

How small or large something is.

Size

100

As much as possible. 100%

Completely 

100

View/Size

Earth is about the same () as Venus, but Jupiter is much larger.

Size

100

What did Galileo observe on the moon?

Mountains

100

Scientists used the Yerkes telescope to discover the () of the Milky Way galaxy.

A. Age

B. Size

C. Shape

Shape

200

To look at or see something.

View

200

To watch carefully in order to learn something.

Observe

200

Among/View

Saturn is () the largest planets in the solar system.

Among

200

Who discovered the planet Uranus?

William Herschel

200

The Yerkes Telescope is special because it's the () refracting telescope in the world.

A. Oldest

B. Largest

C. Lightest

Largest

300

To send back from a surface.

Reflect

300

To arrive at a place, level, or amount.

Reach

300

Reflect/Reach

Earth's atmosphere () some sunlight back into space.


Reflect

300

Which planet is the hottest?

Venus
300

Scientists used the Yerkes Telescope to discover the () of the Milky Way Galaxy.

A. Age

B. Size

C. Shape

Shape

400

Among

Part of a group.

400

Necessary

Needed for something else to happen.

400

Necessary/Completely

A large telescope is nice, but it's not () for viewing the moon.

Necessary

400

Which planet is the coldest?

Neptune

400

The observatory was built in the . . .

1890's

500

Discovered

Learned about or became aware of something.

500

Invented

Thought of or made something new.

500

Invented/Discovered

In 2009, scientists () a very large ring around Saturn. Our eyes can't see the ring, but the Spitzer Telescope uses special light to view it.

Discovered

500

Which planets have rings?

Jupiter, Saturn, Uranus, Neptune

500

Refracting telescopes use () to reflect light

Mirrors